3121103223 has 24 divisors (see below), whose sum is σ = 5200460928. Its totient is φ = 1766815632.

The previous prime is 3121103203. The next prime is 3121103239. The reversal of 3121103223 is 3223011213.

It is not a de Polignac number, because 3121103223 - 2⁹ = 3121102711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3121103196 and 3121103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121103203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224761 + ... + 238242.

It is an arithmetic number, because the mean of its divisors is an integer number (216685872).

Almost surely, 2^3121103223 is an apocalyptic number.

3121103223 is a deficient number, since it is larger than the sum of its proper divisors (2079357705).

3121103223 is a wasteful number, since it uses less digits than its factorization.

3121103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463123 (or 463120 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3121103223 is about 55866.8347322452. The cubic root of 3121103223 is about 1461.4009232695.

Adding to 3121103223 its reverse (3223011213), we get a palindrome (6344114436).

The spelling of 3121103223 in words is "three billion, one hundred twenty-one million, one hundred three thousand, two hundred twenty-three".